You are examining a recently captured organism from another planet and are currently trying to deduce the types of neurotransmitters associated with the propagation of nerve impulses. You discover a very interesting neurotransmitter and find that, in spite of being alien, it is a derivative of the amino acid tyrosine. As a result, this novel neurotransmitter has to be classified as a(n)

A) acetylcholine analogue.
B) catecholamine.
C) neuropeptide.
D) serotinin analogue.
E) GABA analogue.


B) catecholamine.

Biology & Microbiology

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The act of using microorganisms to harm the civilian population intentionally is referred to as:

a. biosecurity. b. bio crime. c. microterrorism. d. cactiterrorism.

Biology & Microbiology

Simple lipids contain carbon, hydrogen, and oxygen in a 1:2:1 ratio

Indicate whether this statement is true or false.

Biology & Microbiology

Giant cells are

A. a fusion of B cells. B. a fusion of T cells. C. used to contain bacterial infections. D. activated T helper cells. E. a fusion of T cells AND used to contain bacterial infections.

Biology & Microbiology

The proportion of phenotypic variance that results from additive genetic variance is known as ________ heritability

A) broad-sense B) narrow-sense C) multifactorial D) generic E) genetic

Biology & Microbiology